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Machine head
To set the upper toothed belt wheel:
1. Using the screwdriver, push the toothed belt (4) sufficiently far to the
2. Loosen the threaded pins (1).
3. Turn the upper toothed belt wheel (3) such that the threaded pins (1)
4. Tighten the threaded pins (1).
5. Use the screwdriver to push the toothed belt (4) back again.
4.2.2 Setting the lower toothed belt wheel
Proper setting
Both threaded pins for the lower toothed belt wheel are seated flush on the
flat of the lower shaft.
The toothed belt runs correctly without running against the edge of the off-
set gear wheel or slipping off.
Cover
• Swivel up the machine head ( p. 15)
• Toothed belt cover ( p. 20)
Fig. 22: Setting the lower toothed belt wheel
(1) - Toothed belt
(2) - Edge
Service Instructions 911-211 - 02.0 - 10/2016
side so that the 2 threaded pins (1) can be reached.
are seated flush on the flat (2) of the arm shaft.
WARNING
Risk of injury from moving parts!
Crushing possible.
Switch the machine off before you check and set
the lower toothed belt wheel.
①
②
③
(3) - Lower toothed belt wheel
(4) - Threaded pins
④
32
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